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What are the types of skin cancer?
There are two main types of skin cancer:
- cancer in moles (malignant melanoma)
- the non-melanoma group (basal cell – and squamous cell carcinoma).
People of all ages can get skin cancer, but it's rare in children.
Symptoms and treatment depend on the type of cancer.
What are basal c... | |
by Kimberly Allen R. N.
Post traumatic stress disorder known at PTSD is a mental health condition that develops as a result of a traumatic physical or emotional experience. Symptoms of PTSD can manifest anytime from one month to years after experiencing the traumatic event. PTSD was originally recognized in soldiers re... | |
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Learners can read about the Deep Impact mission to encounter comet Tempel 1, including the mission, the experiment, results, the comet, the team, and how the results were transmitted back to Earth. Includes pre- and post-encounter fact sheets.
This activity is an interact... | |
What Is Vascular Screening?
It is a painless test that checks the arteries of the body for the buildup of fatty deposits, or atherosclerosis. Blood and oxygen is transported through the body by the cardiovascular system, an extensive network of arteries and smaller vessels. Depending on where they occur, any blockages ... | |
From the bacterial point of view, a paramecium is a microcosm offering several tempting niches for colonization. When you collect a paramecium from nature, it's likely to have hundreds – even thousands – of bacterial endosymbionts on board, in different locations. Some will likely be in the cytoplasm, others in other c... | |
A collection of nuclear power plant diagrams are available in the following 101 Diagramss to help you learn how the nuclear reactor works. The images that we have collected in the following images below show basic components and layout of a nuclear power station.The first diagram is available right below, and the other... | |
“We probably can’t hold—it’s coming over—we are abandoning the task!” a firefighter radioed in at 11:33am on Sunday, October 20, 1991, as the Oakland Hills were engulfed in flames. As winds picked up and the blaze spread from house to house, firefighters who had been battling the fire suddenly had to battle simply to s... | |
Spain wanted to expand its borders past the Rio Bravo, today known as the Rio Grande, but did not have much success. For the most part the area north of the river was inhabited by hostile Indians and the terrain was vast and desolate; quite impossible to control without a huge army. However, some pioneers seeking new l... | |
Deleting a value inside a cell is easy, just click a cell and press delete. But how you can delete a cell that has no value, in other words, the blank cells?
In this lesson, I’m going to show you how you can remove blank cells.
Take a look at the following example, where you have a list of values with some empty cells.... | |
This eruption cloud of gases and rock fragments was released by the Mount Augustine volcano in Alaska during an eruption in 1986. Water droplets and ice crystals in the atmosphere condensed on the infusion of dust particles and settled into pouch-like formations due to wind currents. When a volcano erupts, a vertical p... | |
Ars Technic’s Sam Machkovech recently posted an article about solar power, and the energy it produces.
He found that, on average, a typical American home has about half as much solar power as it does gas.
The energy is cheap, but, according to Machkovese, this doesn’t mean it’s the right choice.
He explains:The reason ... | |
As I suggested in Grouping Topics for Easy Learning, one for the easiest things to learn is family. What’s great with vocabulary for family is that you can combine it with other topics to create sentences to make it easier to remember the words and grammar.
You can now learn and practice family vocabulary using the J-T... | |
History, Facts and Information about Claudius
The content of this article provides interesting history, facts and information about the Emperor Claudius and the all-powerful Caesars who ruled the empire of Ancient Rome. The word "Caesar" was originally the name of an aristocratic patrician family of ancient Rome, the m... | |
Ldot Vets - The American Revolution 1775-1783
The Battle of Princeton
January 3, 1777
Gen. Howe responded to the fall of Trenton by sending 5,550 troops south from New York through Princeton toward Trenton. Gen. Cornwalis' troops arrived in Trenton late on the afternoon of the 2nd of January. Cornwalis found Gen. Washi... | |
These U.S. Cities Are Best Prepared to Adapt to Climate Change
Depending on where you live, climate change could lead to longer and hotter summers, heavier downpours, frequent flooding, and more intense wildfires.
That has led scores of cities to develop strategies to adapt to climate change. A study just published in ... | |
Fear. The common feeling associated with hearing the words “AIDS” or “HIV”. For people living with HIV or AIDS, the fear is of the incurable disease in their bodies. For others, the fear is associated with the person themselves.
Unfortunately, there is a strong social stigma attached to those living with HIV or AIDS in... | |
Speech or Language Impairment
Speech or language impairment means an impairment of speech or sound production, voice, fluency or language that significantly affects educational performance or social, emotional or vocational development.
Specific Language Impairment (SLI) has been actively studied for more than 40 years... | |
At Peninsula, the goal of our health program is to motivate our students by educating them on the benefits of making healthy decisions, rather than the fear or consequences of unhealthy decisions.
Various activities we do to achieve our goal:
- Discuss and practice stress management strategies
- Review the signs/sympto... | |
Researchers at the Johns Hopkins Bloomberg School of Public Health have opined that bacteria in the gut of the Anopheles mosquito could contain malaria from spreading.
They said that the bacteria could prevent the Anopheles gambiae mosquito from getting infected with Plasmodium falciparum, the parasite that causes mala... | |
Today’s Wonder of the Day was inspired by Rufus from Hollywood, CA. Rufus Wonders, “How are frogs and toads different?” Thanks for WONDERing with us, Rufus!
There are hundreds of individual species of frogs and toads within the Anura order. However, the many species within the Anura order can appear quite different, le... | |
Chapter 16 Oscillatory Motion and Waves
- Observe resonance of a paddle ball on a string.
- Observe amplitude of a damped harmonic oscillator.
Sit in front of a piano sometime and sing a loud brief note at it with the dampers off its strings. It will sing the same note back at you—the strings, having the same frequenci... | |
Franz Uri Boas (July 9, 1858 – December 21, 1942) was a German-American anthropologist and a pioneer of modern anthropology who has been called the “Father of American Anthropology”. Studying in Germany, Boas was awarded a doctorate in 1881 in physics while also studying geography. He then participated in a geographica... | |
A Blueprint to Regenerate Limbs
Probing the salamander genome reveals clues to its remarkable ability to regrow damaged limbs and organs.
In its own way, the axolotl salamander is a mighty beast. Chop off its leg, and the gilled creature will grow a new one. Freeze part of its heart, and the organ will form anew. Carve... | |
New Caledonia in the two World Wars
As was the case for all of France and the French Empire, New Caledonia, one of France's principal possessions in the Pacific, played a role that remains mostly unknown in France today but was nonetheless important, or even crucial, at certain points during the World Wars, especially ... | |
Elusive key molecular signal for planarian stem cell regeneration identified.
Like a magician, the freshwater flatworm known as planaria can survive decapitation or even being cut into many pieces. Its ability to fully regenerate from tiny remnants of tissue is due to a special population of adult stem cells known as n... | |
What is NaN?
NaN is a data type which says "Not a Number". An operation between invalid operands result in this type of data. Like an operation of addition between a string and a number.
Why is Java called "write once run anywhere"?
Let us first assume every machine of various OS has their appropriate JVM's (Java Virtu... | |
The capture and storage of CO2, also known as CCS, from our waste is essential because this refuse is responsible for a large proportion or our cities’ greenhouse gas emissions. Moreover, the technology represents a relatively inexpensive abatement cost.
Humankind will need to harness carbon capture and storage technol... | |
The Crimean War
In Britain, the Crimean War is principally remembered for three reasons: the Charge of the Light Brigade, maladministration in the British army, and Florence Nightingale. However, this war, fought by an alliance of Britain, France, Turkey and Sardinia against Russia, is far more complex.
Many wars have ... | |
The four cases in German grammar are nominative (subject), accusative (direct object), dative (indirect object) and genitive (possessive). Because the word order of sentences is not fixed in German grammar, we need the cases to tell us what role a noun or pronoun is playing in a sentence. Articles, nouns, adjectives an... | |
Deforestation around Africa's Mount Kilimanjaro may have as large of an impact on the mountain's local weather and climate as global climate change, according to researchers from the University of Alabama, Huntsville.
Udaysankar Nair, a research scientist at the university's Earth Sciences Center, and doctoral student ... | |
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Preface Annex 1
African economies during pre-colonial times were able to avoid any large-scale environmental degradation, partly because the population was small and partly because the demands on the economy... | |
Fracking, or Hydraulic Fracturing, is a method of extracting hard-to-get oil and gas from shale. For the most part, fossil fuels originally formed in shale, which was in turn laid down by near surface life in anoxic seas. Sunlight powered a high turnover of near surface plankton, algae, and bacteria, but oxygen-poor co... | |
Will the Great Barrier Reef recover?
The Great Barrier Reef has not had a good year. Prolonged high temperatures have devastated portions of the reef, especially the more remote, historically pristine, and less impacted northern section. While some recovery will occur over time, the sad truth is that ongoing ocean warm... | |
What is Anterior Uveitis?
Anterior uveitis is an inflammation of the middle layer of the eye, which includes the iris (colored part of the eye) and adjacent tissue, known as the ciliary body.
What causes anterior uveitis?
Anterior uveitis can occur as a result of trauma to the eye, such as a blow or foreign body penetr... | |
US researchers have found that eye drops designed to lower cholesterol may be able to prevent macular degeneration, one of the most common forms of blindness.
Researchers showed how high cholesterol levels could affect the immune system and lead to macular degeneration.
Tests on mice and humans, published in the journa... | |
Please help support the mission of New Advent and get the full contents of this website as an instant download. Includes the Catholic Encyclopedia, Church Fathers, Summa, Bible and more all for only $19.99...
A British possession in South Africa, bounded on the north and northwest by the Congo Free State and German Eas... | |
Presentation on theme: "Aim: How can we solve problems dealing with the Law of Conservation of Energy? HW #10 due tomorrow Do Now: A 10 kg object free falls off the top of a 100."— Presentation transcript:
Aim: How can we solve problems dealing with the Law of Conservation of Energy? HW #10 due tomorrow Do Now: A 10 kg... | |
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Join nearly 200,000 subscribers who receive actionable tech insights from Techopedia.
Serial Storage Architecture (SSA) is an open protocol used to facilitate high-speed data transfer between disks, clusters, and servers. SSA is an industry and user supported st... | |
[A short version was published by the Canberra Times, 2 Feb, as “Evidence Points to Catastrophic Climate Change”. A longer version was posted on On Line Opinion, 8 Feb.]
In a new scientific paper (pdf, 600kb) prominent climate scientist James Hansen and his colleague Makiko Sato argue that the Earth is now at least as ... | |
The bacteria that destroy about one-third of the potent greenhouse gas methane before it can reach the atmosphere use a neat trick to gather a key nutrient for the job. They produce a small organic compound and release it into the surrounding environment, where it "lassos" atoms of copper. The bacteria then reabsorb th... | |
126.96.36.199 What Is Known About the Mechanism of these Abrupt Changes?
There is good evidence now from sediment data for a link between these glacial-age abrupt changes in surface climate and ocean circulation changes (Clark et al., 2002). Proxy data show that the South Atlantic cooled when the north warmed (with a p... | |
34.3.4: Palestinian Refugees
During the 1948 Palestine War, around 85% (720,000 people) of the Palestinian Arab population of what became Israel were expelled from their homes, fleeing to the West Bank, the Gaza Strip, Lebanon, Syria, and Jordan.
Trace the Palestinian refugee populations in places such as Jordan
- Duri... | |
How does a capacitor work for both AC and DC?
Think as if we had a water pipe completely blocked by a flexible membrane. such an arrangement prevents the continuous flow of water (such as continuous electricity), but would allow two-way vibrations of low amplitude (such as alternative electricity). the more elastic the... | |
Highly sensitive children (HSC) analyse situations in detail; they think deeply about things that have happened and the repercussions they can have. It’s a trait that makes HSCs cautious, that triggers a pause before acting. Sometimes though a child focuses so much on the negatives, or possible negative outcomes, that ... | |
In "Amazing Grace," a Tapestry of Faith program
This activity invites youth to burn off some physical steam by silently demonstrating a temper tantrum thrown by a small child. Its purpose is to introduce the topic of emotional outbursts without asking youth to talk about their own most temperamental moments. This leads... | |
Culture and nature
The high seas are a "global public good". But even in the absence of sufficient international treaties, the oceans are in poor condition: sea levels are rising due to greenhouse gas emissions. The sea water is becoming increasingly acidic, with catastrophic consequences, including coral reefs. Becaus... | |
It may be possible to predict the lifespan of patients being treated for heart disease by taking a look at the lengths of strands of DNA found on the ends of special chromosomes called telomeres, according to a study by the Intermountain Heart Institute in Utah, which was presented Saturday at the American College of C... | |
As Egypt grew and flourished to a powerful and rich nation, itleft behind for today’s historians, clues and artifacts of a oncedistinctive, well established and structured society. Proof ofthis is clearly depicted in king Narmer’s Palette. This Paletteshows historians the unification of Upper and Lower Egypt, whichsign... | |
STUDENT INSTRUCTION AND ANSWER SHEET
Activity 5: Size and Mass Are Important!
Up to this point we have identified that the "just right" condition for life is the presence of liquid water on a planet's surface. This suggests we should first search for a planet that rests in orbit around a Sun-like star (classes F, G or ... | |
Why Lesson Planet?
Combine and Separate Shapes: Homework
In this shape recognition worksheet, students learn how to recognize shapes by cutting out the first shapes and using them to make the second shape. Students draw the new shape in the space. Students then identify the shape that was made from the given shapes in ... | |
Emotional literacy is the ability to identify and label a feeling. Identifying a feeling is important for processing situations and making choices. Throughout a day a range of feelings may be felt; slight irritation, pleasure, sadness, frustration. If these feelings cannot be labelled they are placed into two groups, p... | |
Chemguide: Support for CIE A level Chemistry
Learning outcome 16: Hydroxy compounds
Find and read the statement in your copy of the syllabus.
If you are working through this in order, you will already have read the page introducing alcohols. If you need to, re-read the first bit about the three types of alcohol.
This s... | |
The period between 1965 to 1979 was an important one in the history of colonial Rhodesia. The Rhodesia Front had taken over government in 1962 and quickly replaced Prime Minister Winston Field with the more authoritarian Ian Smith who introduced one repressive law after another. This led to mounting discontent among th... | |
Culturally Deaf Catholics in the U.S. have defined themselves not by their disability but by their shared history, language, and traditions. This article narrates the history of Deaf Catholics from the founding of the International Catholic Deaf Association (ICDA) in 1949 to the ordination of the first culturally Deaf ... | |
Earth impact hazard
Our editors will review what you’ve submitted and determine whether to revise the article.Join Britannica's Publishing Partner Program and our community of experts to gain a global audience for your work!
Read a brief summary of this topic
Earth impact hazard, the danger of collision posed by astron... | |
The digestive system serves the role of taking in nutrients, eliminating waste, and absorbing and using the nutrients we take in. The digestive system includes all the parts of your body that are involved when you eat or drink.
While you may not think about your digestive system often, you are using it all the time. Yo... | |
DRAMA AT KEY STAGE 1
Drama is an ideal subject for young children to experience and, at Key Stage 1, it is invaluable as a means for developing communication skills, encouraging positive social interaction, increasing physical control and teaching children how to listen and respond appropriately.
The sharp learning cur... | |
Candidiasis is an infection caused by a yeast-like fungus called Candida albicans. It can infect the mouth, vagina, skin, stomach, and urinary tract.
Candidiasis infection commonly affects women as vaginal yeast infection during their lifetime and the highest percentage of all people with HIV/AIDS develop Candida infec... | |
Civil Liberties in Wartime
Grade level: 10-12
Subjects: U.S. Government, Civics, Sociology
The attacks of September 11, 2001 led to a declaration of a war on terrorism by President Bush.
As part of that war the Bush Administration proposed and Congress passed the USA Patriot Act which
gives the government increased pow... | |
The Representative allows the people to be able to vote for all manners. (A1, Sec2, C1) states that the people are given the choice to vote for the house of representatives. An example of this is how every four years all 50 states are able to vote for the President.
What are the principles of the Constitution? Which pr... | |
Great insights into 4 social classes: the nobility, the merchant class, the clergy, and the peasantry.
The Nobility. Duty and Honor
As soon as he was born, the Russian nobleman already had a purpose and destiny. He was destined for service, specifically for government service. Moreover, this child had a particular line... | |
A new analysis of NASA's Viking mission to Mars, which happened about 30 years ago, shows we may have encountered life on Mars back then, and that we accidentally killed it.
They argue that the scientists assumed in the 70s that any form of life would be based on water, but now we know that life doesn't always need wat... | |
Dr. Maria Montessori, the creator of what is called “the Montessori Method of education,” developed an approach to education with the fundamental belief that a child learns best within a social environment that supports and respects each child’s natural development to give them the academic and life skills they need. I... | |
Author: Sarah Kearns
Editors: Whit Froehlich, Ada Hagan, and Irene Park
The interior of a cell is inherently complex with a myriad of processes going on all at once. Despite the clean images that are commonly shown in diagrams and textbooks, the parts inside are more of a whirlwind of structural components, proteins, a... | |
Satellite, Artificial, a man-made object that orbits the earth, the moon, the sun, or any other celestial body. On October 4, 1957, the Soviet Union's Sputnik I became the first man-made object to be placed in orbitan event that ushered in the space age.
The advent of the space age had a profound influence on education... | |
Author – Wricha Mishra
Our dependence on fossil fuels has vastly increased levels of carbon dioxide in Earth’s atmosphere, causing global warming. The Intergovernmental Panel on Climate change considers CO2 removal technologies to be the need of the hour. Technologies to capture carbon dioxide have been around since th... | |
About this postcard
Atitlan means "at the water" in Nahuatl. Lake Atitlán is the deepest lake in Central America with a maximum depth of about 340 metres (1,120 ft) with an average depth of 220 metres (720 ft). Its surface area is 130.1 km2 (50.2 sq mi). It is approximately 12 x 5 km with around 20 km3 of water. Atitlá... | |
A smile may be a “window to our soul,” but it’s also a window to our mental and physical well-being. On average, adults smile under two dozen times per day while a child may smile up to 400 times a day. While kids experience the same gamut of emotions that adults do, genuine smiles come more naturally to our children. ... | |
The Banded Urchin has a dark green central body with long, sharp spines, sometimes reaching 20 cm in length. The spines have hundreds of alternating light and dark bands. Some spines are strong, thick, and hollow, whereas others are shorter and finer. During the day it often hides in rocky crevices, and in the wild, ca... | |
Background: The Northern Red-legged Frog (Rana aurora) is distributed from Northern California to Southwest British Columbia. The species occurs from sea level to about 2,000 feet elevation in Whatcom County.
Adult and Juvenile Description: The frogs are brown to reddish-brown and are usually spotted to flecked with sm... | |
Mind & Perception
Mind & Perception is a facet of the Exploratorium. The resources will supplement science and social studies. The reading level is appropriate for students in grades 6-12, but many of the activities can be used with younger students.
Memory features a sheep brain dissection, five online exhibits, and a... | |
Daniel Webster was a leading American statesman and senator from Massachusetts during the period leading up to the Civil War. He first rose to regional prominence through his defense of New England shipping interests. Webster's increasingly nationalistic views, and his effectiveness as a speaker, made him one of the mo... | |
Dr. Artee Nanji and the team of eye care professionals at Primary Eye Care in Arlington and South Main have the experience and clinical knowledge required to diagnose and treat myopia.
What is Myopia?
Also known as nearsightedness, myopia is a common refractive error in which close-up objects look clear but distant obj... | |
Critical development in young learners stems from outdoor play. A study on the importance of outdoor play and its impact on young learners was recently conducted by researchers at a school in Portugal. The study introduced outdoor learning and play into the school’s standard curriculum and analyzed its impact on studen... | |
Holy Week is the week before Easter, a period which includes the religious holidays of Palm Sunday, Maundy Thursday, Good Friday, and Holy Saturday. Holy week does not include Easter Sunday.
When did Holy Week get started?
The first recording of a Holy Week observance was made by Egeria, a Gallic woman who made a pilgr... | |
(THIS ARTICLE IS COURTESY OF THE ‘CIA FACTBOOK’)
territorial sea – the sovereignty of a coastal state extends beyond its land territory and internal waters to an adjacent belt of sea, described as the territorial sea in the UNCLOS (Part II); this sovereignty extends to the air space over the territorial sea as well as ... | |
Estimates of annual carbon loss from arctic tundra ecosystems are based nearly entirely on measurements taken during the growing season in part because of methodological limitations but also reflecting the assumption that respiration during winter is near zero. Measurements of CO2 flux during winter, however, indicate ... | |
A cochlear implant is an electronic prosthetic replacement for damaged cells in the inner ear. The implant is a small electronic device that can help "make" sound if you have severe or total hearing loss. The implant does the job of the damaged or absent nerve cells that in a normal ear make it possible to hear (audito... | |
Penguins are the most threatened group of seabirds after albatrosses. Although penguins are regularly captured in fishing gear, the threat to penguins as a group has not yet been assessed. We reviewed both published and grey literature to identify the fishing gear types that penguins are most frequently recorded in, th... | |
Lesson Two Marrakech Aims To know the writing technique of exposition. To learn the methods in developing an expository writing,esp. the use of examples. To appreciate the language features Teaching Contents 1. Exposition 2. George Orwell 2. Detailed study of the text
Download Policy: Content on the Website is provided... | |
As of 2001, the most conspicuous fact about Nigeria's economy is that the corruption and mismanagement of its post-colonial governments has prevented the channeling of the country's abundant natural and human resources—especially its wealth in crude oil—into lasting improvements in infrastructure and the construction o... | |
1D people lived in a 1D country. Everything in the country was one-dimensional, and everything
was simple and clear: just one axis and two directions — forward and backward.
Even a 1D world has problems, though; for instance, finding an exit from a maze. An idea of a 1D
maze might seem weird to us, but not to 1D people... | |
A food allergy is an abnormal response of the body to a certain food. It is important to know that this is different than a food intolerance.
Before having a food allergy reaction, a sensitive child must have been exposed to the food at least once before. The child could also become sensitized through breast milk. At t... | |
To fight Mexico, the United States had to mobilize, equip, and transport a large force, including
Grade Range: 4-12
Resource Type(s): Reference Materials, Primary Sources
Date Posted: 6/1/2009
Ocean liners were ships of transport for immigrants and machines of leisure, status, and national prestige. Students will learn... | |
Nuclear energy and coal are both considered as the most significant sources of energy for humans. In their absence, there would be no difference between the previous centuries and our luxurious 21st-century. As essential sources of energy though, there exist some differences between the two. Three various aspects in th... | |
For most of the decades since the United States’ immigration restriction acts of the 1920s, Philadelphia was not a major destination for immigrants, but at the end of the twentieth century the region re-emerged as a significant gateway. Beginning with changes in U.S. law in 1965 and accelerating by the 1990s, immigrati... | |
Whooping Cranes (Grus americana) are the tallest North American bird and one of only two crane species on the continent. Brought to the verge of extinction in the 1940’s due to habitat loss and excessive hunting, there are now over 500, either in captivity or in the wild. As part of the conservation program, young cran... | |
At around 3 years of age, typically developing children start to understand sentences containing the conjunction “but”. “But” is a compound conjunction used to link ideas by showing contrast. For example, “I like to watch movies but my sister prefers to read books”.
Understanding “but” in sentences helps to build recep... | |
The European inventors of the black powder gun include a monk, Berthold Schwarz, in around 1330, and Roger Bacon, a friar from Ilchester, Somerset, in 1214. Both are credited with coming up with the idea of the gun. It is interesting to note the unfortunate coincidence that the most efficient killing apparatus in the l... | |
The Mercantile Reign of Julius Caesar
On the 12th or of July 100 BC Julius Caesar is believed to have been born in Rome, Italy, although this date is debatable. A legendary historical figure, he is renown for opposing the military dictator Sulla as a teenager and almost losing his life over it. In his illustrious milit... | |
मई 25, 2016
With growing warnings of the cascading impacts of climate change in the Hindu Kush Himalayas, the region’s hydropower sector ought to take note.
Melting snow and retreating glaciers in a region, parts of which are warming up at three times the global average, will drastically change the seasonal flow of Asi... | |
Grass grubs (GG) are found throughout NZ. The larvae graze the roots of grass and clover causing poor growth and plant death, mainly from March-July. With severe damage, turf can be rolled back like carpet.
GG damage is seen in mid to late autumn, typically as patchy areas of dead plants, often pulled out by stock. The... | |
Spread of Western Corn Rootworm
The WCR originates in the USA and was imported to Serbia in the early 1990s. Since then, it has rapidly spread to most of South East and Central Europe.
Currently, some 7 million hectares are affected in Europe. The main damage is caused by the larvae of WCR, which feed on the roots of c... | |
230 YEARS AGO: BANNER DAY
On December 3, 1775, the flag of the 13 original Colonies is raised for the first time. Navy lieutenant John Paul Jones hoists the Continental Colors, also called the Grand Union Flag, aboard the warship Alfred anchored in the Delaware River. The Colonial banner, a combination of the British U... | |
Asymmetric encryption requires the use of two keys: a private key that is known only by its owner and a public key that is readily available to those who need to use it. It is important to note that asymmetric encryption has the property that figuring out one key from the other should be as hard as decrypting the messa... | |
A new article published by the Centre for Research on Globalization, titled “The Methane Time Bomb and the Future of the Biosphere,” presents evidence that the current emission of carbon threatens to melt the large polar ice caps, leading to tens of meters of sea level rise and the disappearance of species at a rate tw... | |
The Parthenon, a temple, located on the Acropolis in Athens, is one of the most representative
symbols of the culture of the ancient Greeks.
is the civilization belonging to the period of Greek history lasting from the
8th to 6th centuries BC to the end of antiquity and beginning of the Early
Greek culture had a powerf... | |
A control is a part of the experiment that tests whether the system behaves as it should imagine that you want to measure the rate of an enzyme reaction this is done by using an assay for. I purpose: what is the reason for doing the experiment or what is there to be learned from doing the experiment ii hypothesis: what... | |
Grey reef sharks were the first shark species known to perform a threat display, a stereotypical behavior warning that it is prepared to attack. The display involves a "hunched" posture with characteristically dropped pectoral fins, and an exaggerated, side-to-side swimming motion. Grey reef sharks often do so if they ... | |
I don't usually think of Joshua trees as a "cloud forest" species, but in the winter when they get most of their moisture, a lot of them live up where they are in the clouds of oncoming storms. Although they are clearly a desert species, it's high desert, and much of the moisture falls as snow. This lengthens the time ... |
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